WASHINGTON, June 8 (Reuters) – China has reached a secret deal with Cuba to establish an electronic eavesdropping facility on the island roughly 100 miles (160 km) from Florida, the Wall Street Journal said on Thursday, but the White House cast some doubt on the report. Such a spy installation would allow Beijing to gather electronic communications from the southeastern U.S., which houses many U.S. military bases, as well as monitor ship traffic, the newspaper reported, citing U.S. officials familiar with classified intelligence. The U.S. Central Command headquarters is based in Tampa. Fort Liberty, formerly Fort Bragg, the largest U.S….